Administration

Table Of Contents
Table 71. Horizon Policies
Policy Description
Multimedia redirection (MMR) Determines whether MMR is enabled for client systems.
MMR is a Windows Media Foundation filter that forwards multimedia data from specific
codecs on remote desktops directly through a TCP socket to the client system. The
data is then decoded directly on the client system, where it is played.
The default value is Deny.
If client systems have insufficient resources to handle local multimedia decoding, leave
the setting as Deny.
Multimedia Redirection (MMR) data is sent across the network without application-
based encryption and might contain sensitive data, depending on the content being
redirected. To ensure that this data cannot be monitored on the network, use MMR
only on a secure network.
USB Access Determines whether remote desktops can use USB devices connected to the client
system.
The default value is Allow. To prevent the use of external devices for security reasons,
change the setting to Deny.
PCoIP hardware acceleration Determines whether to enable hardware acceleration of the PCoIP display protocol
and specifies the acceleration priority that is assigned to the PCoIP user session.
This setting has an effect only if a PCoIP hardware acceleration device is present on
the physical computer that hosts the remote desktop.
The default value is Allow at Medium priority.
Using Horizon 7 Group Policy Administrative Template
Files
Horizon 7 provides several component-specific Group Policy Administrative ADMX template files. You can
optimize and secure remote desktops and applications by adding the policy settings in the ADMX
template files to a new or existing GPO in Active Directory.
All ADMX files that provide group policy settings for Horizon 7 are available in a bundled .zip file named
VMware-Horizon-Extras-Bundle-x.x.x-yyyyyyy.zip, where x.x.x is the version and yyyyyyy is the
build number. You can download the file from the VMware download site at
https://my.vmware.com/web/vmware/downloads. Under Desktop & End-User Computing, select the
VMware Horizon 7 download, which includes the bundled .zip file.
The Horizon 7 ADMX template files contain both Computer Configuration and User Configuration group
policies.
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The Computer Configuration policies set policies that apply to all remote desktops, regardless of who
connects to the desktop.
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The User Configuration policies set policies that apply to all users, regardless of the remote desktop
or application they connect to. User Configuration policies override equivalent Computer
Configuration policies.
Microsoft Windows applies policies at desktop startup and when users log in.
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